RU94039318A - Photographic telephoto lens - Google Patents
Photographic telephoto lensInfo
- Publication number
- RU94039318A RU94039318A RU94039318/28A RU94039318A RU94039318A RU 94039318 A RU94039318 A RU 94039318A RU 94039318/28 A RU94039318/28 A RU 94039318/28A RU 94039318 A RU94039318 A RU 94039318A RU 94039318 A RU94039318 A RU 94039318A
- Authority
- RU
- Russia
- Prior art keywords
- biconcave
- biconvex
- lenses
- telephoto lens
- lens
- Prior art date
Links
Abstract
FIELD: aerial photography. SUBSTANCE: telephoto lens has two groups of lenses. The first group has five lenses arranged along beam path : the first lens is biconvex, the second one -biconcave, the third one is biconvex, the fourth one is biconcave, and the fifth one is positive menisci turned with its concavity to image. The second lens group has single biconcave and biconvex lenses. EFFECT: improved resolution.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94039318/28A RU2079863C1 (en) | 1994-09-29 | 1994-09-29 | Telephoto lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU94039318/28A RU2079863C1 (en) | 1994-09-29 | 1994-09-29 | Telephoto lens |
Publications (2)
Publication Number | Publication Date |
---|---|
RU94039318A true RU94039318A (en) | 1996-07-27 |
RU2079863C1 RU2079863C1 (en) | 1997-05-20 |
Family
ID=20161907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU94039318/28A RU2079863C1 (en) | 1994-09-29 | 1994-09-29 | Telephoto lens |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2079863C1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2577082C1 (en) * | 2014-12-18 | 2016-03-10 | Открытое акционерное общество "Красногорский завод им. С.А. Зверева" | Apochromatic athermal lens (versions) |
RU2635830C1 (en) * | 2016-04-19 | 2017-11-20 | Публичное акционерное общество "Ростовский оптико-механический завод" (ПАО "РОМЗ") | Photographic telephoto lens |
RU2662032C1 (en) * | 2017-06-01 | 2018-07-23 | Публичное акционерное общество "Ростовский оптико-механический завод" | Photographic telephoto lens |
-
1994
- 1994-09-29 RU RU94039318/28A patent/RU2079863C1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
RU2079863C1 (en) | 1997-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
QA4A | Patent open for licensing | ||
MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20090930 |